dan kerman, kron 4. >> reporter: at the n f l store at pier 39 of 49ers skier is a hot ticket. from these official jerseys, everything is selling fast. as soon as the staff put it out people, and get it. the number one item is everything no. 7, the college kaepernick haa :kaepernick. terisa estacio, kron 4 >> in menlo park, facebook shows this wahl will search search within facebook. this is not just competing with google it will allow searchers to only search within your network of friends on facebook. this would be helpful for a local review on a restaurant, facebook is doing a very slow introduction to this. and of course if you like to sign up, facebook .com gabe slate tech report >> jacqueline: we have been experiencing very cold temperatures. but this warming trend will continue for tomorrow. temperatures in the low 40's like polio, novato and concord. vallejo--and certainly, it is going to be colder for the rest of this week. tonight, not as cold but chilly. for tomorrow, a warmer afternoon. that will continue for the week. as we take a look outside the satellite and ord